{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"38270854-596f-4a26-8183-db8c968c6020","id":"38270854-596f-4a26-8183-db8c968c6020","uuid":"38270854-596f-4a26-8183-db8c968c6020","title":"编码 隐匿在计算机软硬件背后的语言","normalized_title":"编码隐匿在计算机软硬件背后的语言","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787121181184","isbns":["9787121181184","0123456789","6044921875","3039331000","0000000000","0000000000000"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":438,"navigation_url":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020","title_url":"https://workshop.closeclaw.top/ai/title/%E7%BC%96%E7%A0%81%20%E9%9A%90%E5%8C%BF%E5%9C%A8%E8%AE%A1%E7%AE%97%E6%9C%BA%E8%BD%AF%E7%A1%AC%E4%BB%B6%E8%83%8C%E5%90%8E%E7%9A%84%E8%AF%AD%E8%A8%80","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/38270854-596f-4a26-8183-db8c968c6020/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/38270854-596f-4a26-8183-db8c968c6020","page_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/page","search_url":"https://workshop.closeclaw.top/api/ai/books/38270854-596f-4a26-8183-db8c968c6020/search"},"page":{"printed_page":182,"pdf_page":198,"physical_index":198,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"e951c0ebb820728f6234b9aa969faecd45441ba16f75a147bd180ef763be8fbf"},"chapter":"编码隐匿在计算机软硬件背后的语言","content":"上图顶部的4个信号变化规律如下图所示。\n\n$$\n\\arcsin \\angle B D C = \\arcsin \\angle B D C\n$$\n\n$$\na _ { 1 } \\sqcup \\square \\square \\square _ { 2 } \\square \\square \\square _ { 3 } \\square \\square _ { 2 } \\square _ { 3 }\n$$\n\n$$\nq _ { 2 } \\sqcup \\square \\square \\square \\square ^ { - 1 }\n$$\n\n$$\n\\mathrm { \\Delta _ { Q _ { 3 } } } \\bigcup \\qquad \\longmapsto\n$$\n\n这里只给出了这幅图的一部分，因为这个电路会重复上述过程周而复始地变化下去。在这幅图中，你有没有发现眼熟的东西呢？\n\n提示一下，把这些信号标上0和1。\n\n$$\n\\operatorname { \\mathbb { C } } \\mathbb { K } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\ \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\ \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\ \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor \\ { \\boldsymbol { \\updownarrow } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor \\ { \\boldsymbol { \\theta } } \\right\\rfloor ^ { \\ { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\ \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } } \\left\\lfloor { \\boldsymbol { \\theta } } \\right\\rfloor ^ { { \\boldsymbol { \\updownarrow } } }\n$$\n\n$$\n\\operatorname { Q } _ { 1 } ~ \\left\\lfloor \\theta ~ \\theta \\sqrt { 1 ~ 1 ~ 1 } ~ \\right\\rfloor ~ \\theta ~ \\theta \\sqrt { 1 ~ 1 ~ 1 } ~ \\left\\lfloor ~ \\theta ~ \\theta \\sqrt { 1 ~ 1 ~ 1 } ~ \\right\\rfloor ~ \\theta ~ \\theta \\sqrt { 1 ~ 1 ~ 1 } ~ \\left\\lfloor ~ \\theta ~ \\theta \\sqrt { 1 ~ 1 ~ 1 } ~ \\right\\rfloor ,\n$$\n\n$$\n\\begin{array} { r } { \\mathrm { ~ Q _ { 2 } ~ } \\left\\lfloor \\begin{array} { c c c c c } { 0 } & { \\theta } & { \\theta } & { \\theta } \\end{array} \\right\\rfloor \\overline { { 1 \\quad 1 \\quad 1 \\quad 1 \\quad 1 } } \\left\\lfloor \\begin{array} { c c c c c } { 0 } & { \\theta } & { \\theta } & { \\theta } \\end{array} \\right\\rfloor \\overline { { 1 \\quad 1 \\quad 1 \\quad 1 } } \\left\\lfloor \\begin{array} { c c c c c } \\end{array} \\right\\rfloor } \\end{array}\n$$\n\n$$\n\\begin{array}{c} \\begin{array} { r } { \\mathrm { ~ Q _ 3 ~ } \\lfloor \\begin{array} { c c c c c c c c c c c c } { 0 } & { \\theta } & { 0 } & { 0 } & { 0 } & { 0 } & { \\theta } & { 0 } & { \\theta } \\end{array} \\rfloor \\mathrm { ~ 1 ~ } } & { \\mathrm { ~ 1 ~ } } & { \\mathrm { ~ 1 ~ } } & { \\mathrm { ~ 1 ~ } } & { \\mathrm { ~ 1 ~ } } & { \\mathrm { ~ 1 ~ } } \\end{array} \\rceil  \\end{array}\n$$\n\n现在看出来了么？试着把这个图顺时针旋转 $9 0 °$ ，然后读一读每一行的4位数字，它们分别对应了十进制中的0\\~15中的一个数。\n\n编码隐匿在计算机软硬件背后的语言\n\n182","previous_page":181,"next_page":183}